Oct. 17, 2015 9:26 AM PT10:26 AM MT11:26 AM CT12:26 PM ET16:26 GMT12:26 AM 北京时间9:26 AM MST11:26 AM EST11:26 AM CT20:26 UAE12:26 ET15:26 - The Chicago Bears signed Gaston and placed defensive lineman Ego Ferguson on the reserve/injured list. Analysis: Gaston has appeared in two games this season with the Green Bay Packers, with one tackle. In the preseason, Gaston had three tackles - including a sack - and four quarterback hits. Gaston entered the league in 2014 as an undrafted free agent with the Arizona Cardinals out of Purdue.